Taxonomy Originally was almost worldwide in distributionbut now is greatly reduced in numbers and unknown in many areas where...

Taxonomy Originally was almost worldwide in distributionbut now is greatly reduced in numbers and unknown in many areas where formerly it was a breeding species, especially in eastern North America [details]

additional sourceBanks, R.C., R.W. McDiarmid, and A.L. Gardner. 1987. Checklist of vertebrates of the United States, the U.S. Territories, and Canada. U.S. Fish and Wildlife Service Resource Publication No. 166. 79 p.[details]

Taxonomy Originally was almost worldwide in distributionbut now is greatly reduced in numbers and unknown in many areas where formerly it was a breeding species, especially in eastern North America [details]